‘The Bills are expecting their offensive line to take a step forward this season under new OL coach Aaron Kromer. Specifically, the team’s depth behind the aforementioned group of starters and center Mitch Morse is believed to be much improved. But that depth has already been tested through the first few practices, and while it has opened a few holes in the running game, the Bills’ O-line hasn’t looked promising going up against the team’s top pass-rushing unit.’